Function Diagrams - ABB CT-AHS Safety Instruction

III Function diagrams
CT-AHS
3 B OFF-delay with auxiliary voltage
t adjusted time delay
CT-ARS
3 B OFF-delay without auxiliary voltage
t adjusted time delay
CT-APS
3 B OFF-delay with auxiliary voltage
t adjusted time delay
CT-ERS
1 A ON-delay
t adjusted time delay
CT-MBS and CT-MFS
1 A ON-delay
t adjusted time delay
3 B OFF-delay with auxiliary voltage
t adjusted time delay
4 AB ON-delay and OFF-delay, symmetrical
t1 adjusted ON-delay
t2 adjusted OFF-delay
5 G ON/OFF-function
ON-Function: Time range ≠ 300 h
OFF-Function: Time range = 300 h
6 CA Impulse-ON
t adjusted pulse time
7 CB Impulse-OFF with auxiliary voltage
t adjusted pulse time
11 DA Flasher with reset, starting with ON
t adjusted flashing time
12 DB Flasher with reset, starting with OFF
t adjusted flashing time
16 H Pulse former
t adjusted pulse time
18 FC Star-delta change-over with impulse function
t1 adjusted starting time
t2 fixed transition time of 50 ms
CT-MFS
19 Pause timing / Accumulative function
Timing can be paused by closing control
input X1-Z2. The elapsed time is stored and
continues from this value when the control
input is re-opened. This can be repeated as
often as required.
CT-MVS
1 A ON-delay
t adjusted time delay
2 A+ Accumulative ON-delay
t adjusted time delay
3 B OFF-delay with auxiliary voltage
t adjusted time delay
4 AB ON-delay and OFF-delay, symmetrical
t1 adjusted ON-delay
t2 adjusted OFF-delay
5 G ON/OFF-function
ON-Function: Time range ≠ 300 h
OFF-Function: Time range = 300 h
6 CA Impulse-ON
t adjusted pulse time
7 CB Impulse-OFF with auxiliary voltage
t adjusted pulse time
13 DE Flasher, starting with ON or OFF
t adjusted flashing time
16 H Pulse former
t adjusted pulse time
18 FC Star-delta change-over with impulse function
(not on CT-MVS.12)
t1 adjusted starting time
t2 fixed transition time of 50 ms
CT-MXS
4 AB ON-delay and OFF-delay, asymmetrical
t1 adjusted ON-delay
t2 adjusted OFF-delay
8 CE Impulse-ON and impulse-OFF
t1 adjusted pulse time 1
t2 adjusted pulse time 2
14 ED Pulse generator, starting with ON or OFF
t1 adjusted OFF time
t2 adjusted ON time
15 EC Single pulse generator, starting with OFF
t1 adjusted OFF time
t2 adjusted ON time
t1 are t2 independently adjustable
CT-SDS
17 F Star-delta change-over
t1 adjusted starting time
t2 fixed transition time of 50 ms
CT-WBS
1 A ON-delay
t adjusted time delay
5 G ON/OFF-function
ON-Function - time range ≠ 300 h
OFF-Function - time range = 300 h
6 CA Impulse-ON
t adjusted pulse time
9 AC Fixed impulse with adjustable time delay
t1 adjusted time delay
t2 fixed pulse time of 500 ms
10 BC Adjustable impulse with fixed time delay
t1 adjusted pulse time
t2 fixed time delay of 500 ms
11 DA Flasher, starting with ON
t adjusted flashing time
12 DB Flasher, starting with OFF
t adjusted flashing time
IV Triggering of the control inputs with 3 wire
NPN proximity switch (CT-MBS, CT-MFS)
Control supply voltage of timer and power supply of the
proximity switch should be electrically isolated.
(+V/0V = power supply of proximity switch)
Legend
t3 Pause timing
LED Green LED flashes whilst timing
A1-A2 Control supply voltage U
A1-Y1/B1 Control input (voltage-related triggering)
Y1-Z2 Control input (volt-free triggering)
X1-Z2 Control input (see function diagram 19)
15-16/18 1st c/o contact
25-26/28 2nd c/o contact
21-22/24 2nd c/o contact, set as instantaneous contact
17-18 1st n/o contact
17-28 2nd n/o contact
Control supply voltage not applied /
G
output contact open
Control supply voltage applied /
B
output contact closed
s
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